From the #1 New York Times bestselling author of "If You Give a Mouse a Cookie" comes the story of Max, a lovable and determined puppy with a lot to learn on his adventure of becoming someone's life-changing friend and helper. Max's puppy raiser, Sam, takes him everywhere; on the bus, to puppy kindergarten, and even to restaurants. But it's tough staying underneath the table when the french fries smell so good!Discover all the fun and important ways Max earns his special yellow vest as he and his puppy raiser, Sam, work together to help someone in need of a true hero.